package repository

import (
	"context"
	"database/sql"
	"fmt"
	"strings"

	"github.com/luxsin/app-api/internal/model"
)

type BrandRepository struct {
	db *sql.DB
}

func NewBrandRepository(db *sql.DB) *BrandRepository {
	return &BrandRepository{db: db}
}

func (r *BrandRepository) List(ctx context.Context, brandName string) ([]model.Brand, error) {
	query := "SELECT id, name FROM brand"
	args := []any{}

	if strings.TrimSpace(brandName) != "" {
		query += " WHERE name LIKE ?"
		args = append(args, "%"+brandName+"%")
	}

	query += " ORDER BY name ASC"

	rows, err := r.db.QueryContext(ctx, query, args...)
	if err != nil {
		return nil, fmt.Errorf("query brand: %w", err)
	}
	defer rows.Close()

	list := make([]model.Brand, 0)
	for rows.Next() {
		var b model.Brand
		if err := rows.Scan(&b.ID, &b.Name); err != nil {
			return nil, fmt.Errorf("scan brand: %w", err)
		}
		list = append(list, b)
	}
	if err := rows.Err(); err != nil {
		return nil, fmt.Errorf("iterate brand: %w", err)
	}

	return list, nil
}